ISO |
7231 |
1984 |
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Name: ISO 7231:1984 - Polymeric materials, cellular flexible -- Method of assessment of air flow value at constant pressure-drop |
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| Developed by Subcommittee: TC 45/SC 4; ISO Standards | |||
| ICS: 83.100 | |||
| Applicable Apparatus: Permeability Testing | |||
| Abstract The air flow value may be used to give an indication of the effects of formulation and production variables on the cellular structure. Describes the method with an apparatus either for negative or for positive pressure. Two figures show the test arrangement. |
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| EN ISO 7231:1997 ; ISO 7231:1984 ; BS EN ISO 7231:1998 | |||
| Index Terms: air flow, permeability, pressure drop, Polymers, Cellular materials, Flexible materials, Gas flow, Air, Flow measurement, Test equipment, Test specimens, Testing conditions, Reports, Plastics, Rubber | |||
Testing Instruments: Testing Products |
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